Bug 858970 - Wait for tab close before switching to next test in testWindowTabsObject_alt.
Merge pull request #941 from ochameau/bug858970

Bug 858970 - Wait for tab close before switching to next test in testWindowTabsObject_alt. r=@erikvold
Bug 858954 - Wait for delayed startup before touching browser window.
Merge pull request #939 from ochameau/bug858954

Bug 858954 - Wait for delayed startup before touching browser window. r=@erikvold